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In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
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Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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There are more sensory neurons in the tongue than in any other part of the body.